======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '160'
                                          'artist'  'Bill Monroe bluegrass'
                                     'text_people'  ''
                                         'release'  'Bill Monroe'
                                           'title'  'Danny boy'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', "
 "'q-bass-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-country'
                                             'bpm'  '120.1'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Bill Monroe'
'TBPM' (BPM (beats per minute))                     '120.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-country'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Danny boy'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Monroe'
'TPE2' (Band/orchestra/accompaniment)               'Bill Monroe bluegrass'
'TXXX:MusicMagic Data'                              'AQEBWhBDhEuybLqdhTvPi0qggAGBQ4kJOR+xMQ0IgAHujoABnW40F7LSgAHYTYxWgo+AAc329RrK/oABgAGsgCo3+gXI/6lggAKAAQ=='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.499112'

========================== row from database ==========================
                                              'id'  1495181
                                            'path'  /data/Music/Other/Pa/Country/Bill Monroe bluegrass/Danny boy.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  160
                                           'genre'  prerock-country
                                        'filesize'  3223695
                                           'mtime'  1678464281
                                   'redo_metaread'  0
                                        'rest_str'   Pa Country prerock country
                                      'tag_artist'  Bill Monroe bluegrass
                                     'tag_release'  Bill Monroe
                                       'tag_title'  Danny boy
                                             'bpm'  120.1
                                    'search_title'  'boy':2 'danny':1
                                   'search_artist'  'bill':1 'bluegrass':3 'monroe':2
                                  'search_release'  'bill':1 'monroe':2
                                     'search_rest'  'country':2 'pa':1 'prerock':3
                                    'search_combo'  'bill':3B,6C 'bluegrass':5B 'boy':2A 'country':9 'danny':1A 'monroe':4B,7C 'pa':8 'prerock':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678464281.2380269  (2023-03-10 17:04:41)
                             'size'  3223695